For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningRoof
Specifications
Sunroof Schematics
Sunroof Component Views
Sunroof Frame
Sunroof Sunshade
Sunroof Window
Sunroof Window Seal
Sunroof Housing Rear Drain Hose
Sunroof Housing Drain Gutter
Sunroof Frame Bolts
Sunroof Window Guide
Sunroof Air Deflector Cover
Su ...
Navigation Symbols
Following are the most common symbols that appear on a map screen.
The vehicle symbol indicates the current position and heading direction of the
vehicle on the map.
The destination symbol marks the final destination after a route has been planned.
The waypoint symbol marks one or more se ...
Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors
the operation of the vehicle to ensure emissions are at acceptable levels, helping
to maintain a clean environment.
The malfunction indicator lamp comes on when the vehicle is placed in ON/RUN
for key access or ...